Vibratory Screen Drive Coupling Alignment for Easier Assembly
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Solution Overview
Problem
Existing screen devices require complex assembly and maintenance due to restricted access to maintenance openings and the need for multiple personnel, especially when synchronizing exciter units for co-rotation.
Innovation Solution
Incorporation of an orientation aid with orientation elements that facilitate the alignment and coupling of transmission elements without requiring access to the coupling point, using elastic components and non-circular cross-sections to ensure precise joining, reducing the need for additional fasteners.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If transmission elements are joined through a maintenance opening, then assembly and maintenance can be performed, but access to the coupling point is significantly restricted and requires at least two people
Solution Approach 1:
The transmission elements are pre-oriented in a raised assembly position using elastic components before the joining operation. This preliminary positioning action eliminates the need for complex alignment procedures during assembly, allowing single-person operation despite restricted access through the maintenance opening
Solution Approach 2:
Elastic components act as intermediary elements that brace the transmission elements in the correct orientation. These intermediaries hold the elements in the raised assembly position, facilitating the joining process without requiring external access or multiple personnel
2Reliability
If multiple fasteners and complex fastening systems are used, then reliable connection is achieved, but the number of parts increases and assembly becomes more complex
Solution Approach 1:
The invention extracts and eliminates the need for multiple fasteners and complex fastening systems. By using the non-circular cross-sectional geometry of the tube sections, the connection achieves reliable mechanical coupling without additional fastening components, reducing the total part count while maintaining connection reliability
Solution Approach 2:
The transmission elements self-align and self-connect through their non-circular cross-sectional geometry. The shaped tube sections automatically orient and secure each other during the joining motion, eliminating the need for separate fastening operations and reducing assembly complexity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Simplifies assembly and maintenance by allowing transmission elements to be oriented and joined easily, reducing the number of parts and personnel required, and ensuring precise alignment without the need for complex fastening systems.
Implementation Method 1
an orientation element to be designed in the form of an elastic component, which braces one of the joints such that the transmission element connected to the joint is held in a joining position raised relative to the direction of gravity
Implementation Method 2
the orientation element to encompass at least one of the universal joints in the form of a shrink tube, at least sectionally. The shrink tube braces the universal joint, but at the same time does not impair its functionality as it is sufficiently elastic
Data Source
AI summary
The disclosure relates to a screen device having a screen tray in or on which at least one screen lining is disposed, wherein the screen lining can be vibrated by means of a vibratory drive, wherein the vibratory drive has two exciter units, wherein the exciter units are mechanically intercoupled by means of a synchronization device, wherein the synchronization device has two transmission elements, which can be detached in the area of a coupling point by means of a coupling device and are intercoupled for co-rotation. The assembly of such a screen device can be simplified if provision is made for an orientation aid having at least one orientation element to be provided, which is disposed and designed to orient the transmission elements with respect to each other in the area of the coupling point during the joining process of the two transmission elements.